JPH0289624U - - Google Patents
Info
- Publication number
- JPH0289624U JPH0289624U JP16966788U JP16966788U JPH0289624U JP H0289624 U JPH0289624 U JP H0289624U JP 16966788 U JP16966788 U JP 16966788U JP 16966788 U JP16966788 U JP 16966788U JP H0289624 U JPH0289624 U JP H0289624U
- Authority
- JP
- Japan
- Prior art keywords
- pickup device
- transmittance
- optical pickup
- optical
- annular zones
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000002834 transmittance Methods 0.000 claims 2
- 238000003384 imaging method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16966788U JPH0289624U (enrdf_load_html_response) | 1988-12-27 | 1988-12-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16966788U JPH0289624U (enrdf_load_html_response) | 1988-12-27 | 1988-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0289624U true JPH0289624U (enrdf_load_html_response) | 1990-07-16 |
Family
ID=31459932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16966788U Pending JPH0289624U (enrdf_load_html_response) | 1988-12-27 | 1988-12-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0289624U (enrdf_load_html_response) |
-
1988
- 1988-12-27 JP JP16966788U patent/JPH0289624U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| HK16181A (en) | Optical scanning device | |
| JPS6358321U (enrdf_load_html_response) | ||
| JPS61111036U (enrdf_load_html_response) | ||
| JPH0289624U (enrdf_load_html_response) | ||
| JPS59125727U (ja) | 光学式情報ピツクアツプ装置 | |
| JPS6426704U (enrdf_load_html_response) | ||
| JPH0246920U (enrdf_load_html_response) | ||
| JPS6222726U (enrdf_load_html_response) | ||
| JPH03121521U (enrdf_load_html_response) | ||
| JPH0276327U (enrdf_load_html_response) | ||
| JPH0349626U (enrdf_load_html_response) | ||
| JPH01133313U (enrdf_load_html_response) | ||
| JPS6183120U (enrdf_load_html_response) | ||
| JPS6198229U (enrdf_load_html_response) | ||
| JPS5869820U (ja) | ホログラム・スキヤナ | |
| JPH0216424U (enrdf_load_html_response) | ||
| JPS587230U (ja) | 光学式ビデオデイスクプレ−ヤの焦点検出機構 | |
| JPS5869821U (ja) | ホログラム・スキヤナ | |
| JPS58193334U (ja) | 光ピツクアツプ | |
| JPS6148428U (enrdf_load_html_response) | ||
| JPS59138024U (ja) | 光学的記録再生装置 | |
| JPS61174026U (enrdf_load_html_response) | ||
| JPS5945733U (ja) | 光ピツクアツプのフオ−カス検出装置 | |
| JPS61121520U (enrdf_load_html_response) | ||
| JPS60180325U (ja) | フオ−カスエラ−信号検出装置 |